## Xalan-C++ API Documentation

### The Xalan C++ XSLT Processor Version 1.7

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# XalanDOMStringHashTable.hpp

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    00001 /*
    00002  * The Apache Software License, Version 1.1
    00003  *
    00004  *
    00005  * Copyright (c) 1999-2004 The Apache Software Foundation.  All rights
    00006  * reserved.
    00007  *
    00008  * Redistribution and use in source and binary forms, with or without
    00009  * modification, are permitted provided that the following conditions
    00010  * are met:
    00011  *
    00012  * 1. Redistributions of source code must retain the above copyright
    00013  *    notice, this list of conditions and the following disclaimer.
    00014  *
    00015  * 2. Redistributions in binary form must reproduce the above copyright
    00016  *    notice, this list of conditions and the following disclaimer in
    00017  *    the documentation and/or other materials provided with the
    00018  *    distribution.
    00019  *
    00020  * 3. The end-user documentation included with the redistribution,
    00021  *    if any, must include the following acknowledgment:
    00022  *       "This product includes software developed by the
    00023  *        Apache Software Foundation (http://www.apache.org/)."
    00024  *    Alternately, this acknowledgment may appear in the software itself,
    00025  *    if and wherever such third-party acknowledgments normally appear.
    00026  *
    00027  * 4. The names "Xalan" and "Apache Software Foundation" must
    00028  *    not be used to endorse or promote products derived from this
    00029  *    software without prior written permission. For written
    00030  *    permission, please contact apache@apache.org.
    00031  *
    00032  * 5. Products derived from this software may not be called "Apache",
    00033  *    nor may "Apache" appear in their name, without prior written
    00034  *    permission of the Apache Software Foundation.
    00035  *
    00036  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
    00037  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
    00038  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
    00039  * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
    00040  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    00041  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
    00042  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
    00043  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
    00044  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
    00045  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
    00046  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    00047  * SUCH DAMAGE.
    00048  * ====================================================================
    00049  *
    00050  * This software consists of voluntary contributions made by many
    00051  * individuals on behalf of the Apache Software Foundation and was
    00052  * originally based on software copyright (c) 1999, International
    00053  * Business Machines, Inc., http://www.ibm.com.  For more
    00054  * information on the Apache Software Foundation, please see
    00055  * <http://www.apache.org/>.
    00056  */
    00057 #if !defined(XALANDOMSTRINGHASHTABLE_HEADER_GUARD_1357924680)
    00058 #define XALANDOMSTRINGHASHTABLE_HEADER_GUARD_1357924680
    00059
    00060
    00061
    00062 // Base include file.  Must be first.
    00063 #include <xalanc/PlatformSupport/PlatformSupportDefinitions.hpp>
    00064
    00065
    00066
    00067 #include <vector>
    00068
    00069
    00070
    00071 #include <xalanc/Include/XalanAutoPtr.hpp>
    00072
    00073
    00074
    00075 #include <xalanc/XalanDOM/XalanDOMString.hpp>
    00076
    00077
    00078
    00079 XALAN_CPP_NAMESPACE_BEGIN
    00080
    00081
    00082
    00083 class XALAN_PLATFORMSUPPORT_EXPORT XalanDOMStringHashTable
    00084 {
    00085 public:
    00086
    00087 #if defined(XALAN_NO_STD_NAMESPACE)
    00088     typedef vector<const XalanDOMString*>   BucketType;
    00089     typedef BucketType::size_type           bucket_size_type;
    00090     typedef vector<bucket_size_type>        BucketCountsType;
    00091 #else
    00092     typedef std::vector<const XalanDOMString*>  BucketType;
    00093     typedef BucketType::size_type               bucket_size_type;
    00094     typedef std::vector<bucket_size_type>       BucketCountsType;
    00095 #endif
    00096
    00097
    00098     enum { eDefaultBucketCount = 101, eDefaultBucketSize = 15 };
    00099
    00100
    00107     explicit
    00108     XalanDOMStringHashTable(
    00109             size_t              theBucketCount = eDefaultBucketCount,
    00110             bucket_size_type    theBucketSize = eDefaultBucketSize);
    00111
    00112     ~XalanDOMStringHashTable() { }
    00113
    00117     void
    00118     clear();
    00119
    00125     size_t
    00126     size() const
    00127     {
    00128         return m_count;
    00129     }
    00130
    00136     size_t
    00137     bucketCount() const
    00138     {
    00139         return m_bucketCount;
    00140     }
    00141
    00147     void
    00148     getBucketCounts(BucketCountsType&   theVector) const;
    00149
    00156     size_t
    00157     collisions() const
    00158     {
    00159         return m_collisions;
    00160     }
    00161
    00169     const XalanDOMString*
    00170     find(
    00171             const XalanDOMString&   theString,
    00172             size_t*                 theBucketIndex = 0) const;
    00173
    00186     const XalanDOMString*
    00187     find(
    00188             const XalanDOMChar*         theString,
    00189             XalanDOMString::size_type   theLength = XalanDOMString::npos,
    00190             size_t*                     theBucketIndex = 0) const;
    00191
    00204     void
    00205     insert(const XalanDOMString&    theString);
    00206
    00222     void
    00223     insert(
    00224             const XalanDOMString&   theString,
    00225             size_t                  theBucketIndex);
    00226
    00227 #if defined(XALAN_NEEDS_EXPLICIT_TEMPLATE_INSTANTIATION)
    00228     struct
    00229     equalsXalanDOMString
    00230     {
    00231         equalsXalanDOMString(
    00232                 const XalanDOMChar*         theString,
    00233                 XalanDOMString::size_type   theLength) :
    00234             m_string(theString),
    00235             m_length(theLength)
    00236         {
    00237         }
    00238
    00239         bool
    00240         operator()(const XalanDOMString*    theString) const;
    00241
    00242     private:
    00243
    00244         const XalanDOMChar* const           m_string;
    00245
    00246         const XalanDOMString::size_type     m_length;
    00247     };
    00248 #endif
    00249
    00250 private:
    00251
    00252     // Not implemented, for now...
    00253     XalanDOMStringHashTable(const XalanDOMStringHashTable&);
    00254
    00255     XalanDOMStringHashTable&
    00256     operator=(const XalanDOMStringHashTable&);
    00257
    00258     bool
    00259     operator==(const XalanDOMStringHashTable&) const;
    00260
    00261
    00262     // Data members...
    00263     const size_t                    m_bucketCount;
    00264
    00265     const bucket_size_type          m_bucketSize;
    00266
    00267     XalanArrayAutoPtr<BucketType>   m_buckets;
    00268
    00269     size_t                          m_count;
    00270
    00271     unsigned int                    m_collisions;
    00272 };
    00273
    00274
    00275
    00276 XALAN_CPP_NAMESPACE_END
    00277
    00278
    00279
    00280 #endif  // !defined(XALANDOMSTRINGPOOL_HEADER_GUARD_1357924680)

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Xalan-C++ XSLT Processor Version 1.7 Copyright © 1999-2004 The Apache Software Foundation. All Rights Reserved.